Merge two or more PDF files into a single PDF, preserving order. Outputs a .pdf file on disk and returns its path.

Split a PDF into multiple PDFs by page ranges (e.g. "1-3,5-7") or into fixed-size chunks. Returns a .zip archive containing the resulting PDFs.

Reduce the file size of a PDF. Choose compression_level "low", "recommended" (default), or "extreme". Outputs a .pdf file on disk and returns its path.

Convert a PDF to an editable Microsoft Word .docx document. Conversion quality depends on the source (scanned PDFs produce poor results; use ocr_pdf first if needed).

Convert a PDF to a Microsoft Excel .xlsx spreadsheet. Works best when the source PDF contains clear tabular data; non-tabular PDFs may produce messy results.

Convert a PDF to a Microsoft PowerPoint .pptx presentation. Each PDF page becomes an editable slide; conversion quality depends on the source.

Convert a PDF to JPG images. In "pages" mode (default) each page becomes a JPG; in "extract" mode only embedded images are pulled out. Returns a .zip archive of the images.

Convert a Microsoft Office document (Word, Excel, or PowerPoint) to a PDF. Accepts .doc, .docx, .xls, .xlsx, .ppt, and .pptx files.

Convert a local HTML file (.html or .htm) to a PDF. The HTML is rendered server-side; external assets referenced by the file may not be fetched.

Combine one or more images (.jpg, .jpeg, .png) into a single PDF, one image per page, in the order provided.

Rotate pages in a PDF by 90, 180, or 270 degrees clockwise. Target specific pages with "pages" (e.g. "1,3,5" or "1-5"), or rotate all pages by default.

Stamp page numbers onto a PDF. Configure starting number, which pages to number, and placement (top/bottom + left/center/right).

Extract a subset of pages from a PDF into a new PDF. Specify pages as a list or range, e.g. "1,3,5-7".

Remove password protection from a PDF. Requires the correct password. Produces an unprotected .pdf file on disk.

Add password protection to a PDF. Anyone opening the output will need the supplied password.

Stamp a text or image watermark onto every page of a PDF. For mode="text", provide text. For mode="image", provide image_file (.jpg/.jpeg/.png). Tune placement, rotation, and opacity as needed.

Attempt to repair a damaged or malformed PDF. Useful for scanned PDFs that fail to open or render correctly in some readers. Produces a .pdf file on disk.

Run OCR on a PDF to make scanned text selectable/searchable. Accepts one or more language codes (e.g. "eng", "spa"). Large or image-heavy PDFs can take more than 60 seconds.